Polarimetric constraints on the optical afterglow emission from GRB 990123

Science

Volumn 283, Issue 5410, 1999, Pages 2073-2075

  Hjorth, Jens ^a   Björnsson, Gunnlaugur ^b   Andersen, Michael I ^c   Caon, Nicola ^d   Cairós, Luz Marina ^d   Castro Tirado, Alberto J ^e,f   Osorio, María Rosa Zapatero ^d   Pedersen, Holger ^a   Costa, Enrico ^g  

^a Astronomical Observatory University of Copenhagen ^*  (Denmark)

^b UNIVERSITY OF ICELAND   (Iceland)

^c NORDIC OPTICAL TELESCOPE   (Spain)

^d INSTITUTO DE ASTROFÍSICA DE CANARIAS   (Spain)

^e INSTITUTO NACIONAL DE TÉCNICA AEROESPACIAL   (Spain)

^f INSTITUTO DE ASTROFÍSICA DE ANDALUCÍA CSIC   (Spain)

^g INAF IASF ROMA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ASTRONOMY; ENERGY; GAMMA RADIATION; GEOMETRY; MAGNETIC FIELD; POLARIZATION; PRIORITY JOURNAL;

EID: 0039130847     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.283.5410.2073     Document Type: Article

References (46)

1. T. Piran, Phys. Rep., in press, preprint available at http://xxx.lanl.gov/abs/astro-ph/9810256.
2. J. Heise et al., in preparation.
3. C. W. Akerlof and T. A. McKay, GCN Circular 205 (1999); IAU Circular 7100 (1999); Nature, in press.
4. C. W. Akerlof and T. A. McKay, GCN Circular 205 (1999); IAU Circular 7100 (1999); Nature, in press.
5. C. W. Akerlof and T. A. McKay, GCN Circular 205 (1999); IAU Circular 7100 (1999); Nature, in press.
6. S. C. Odewahn. J. S. Bloom, S. R. Kulkarni, GCN Circular 201 (1999); IAU Circular 7094 (1999).
7. S. C. Odewahn. J. S. Bloom, S. R. Kulkarni, GCN Circular 201 (1999); IAU Circular 7094 (1999).
8. A. J. Castro-Tirado, Science 283, 2069 (1999).
9. M. I. Andersen, ibid., p. 2075.
10. S. R. Kulkarni et al., Nature, in press, preprint available at http://xxx.lanl.gov/abs/astro-ph/9902272.
11. A. S. Fruchter, Astrophys. J. 512, L1 (1999).
12. J. F. C. Wardle and P. P. Kronberg, ibid. 194, 249 (1974).
13. C. B. Taylor et al., Astrophys. J. 502, L115 (1998).
14. D. A. Frail, S. R. Kulkarni, J. S. Bloom, S. G. Djorgovski, GCN Circular 141 (1998).
15. K. Serkowski, D. S. Mathewson, V. L. Ford, Astrophys. J. 196, 261 (1975); A. Berdyugin and P. Teerikorpi, Astron. Astrophys. 318, 37 (1997).
16. K. Serkowski, D. S. Mathewson, V. L. Ford, Astrophys. J. 196, 261 (1975); A. Berdyugin and P. Teerikorpi, Astron. Astrophys. 318, 37 (1997).
17. A. S. Fruchter et al., preprint available at http:// xxx.lanl.gov/abs/astro-ph/9902236.
18. J. S. Bloom et al., in preparation, preprint available at http://xxx.lanl.gov/abs/astro-ph/9902182.
19. S. Holland and J. Hjorth, Astron. Astrophys., in press, preprint available at http://xxx.lanl.gov/abs/astro-ph/ 9903175.
20. T. J. Galama et al., Nature, in press, preprint available at http://xxx.lanl.gov/abs/astro-ph/9903021.
21. S. C. Djorgovski, et al., GCN Circular 216 (1999).
22. C. C. Dyer and E. G. Shaver, Astrophys. J. 390, L5 (1992); V. Faraoni, Astron. Astrophys. 272, 385 (1993).
23. C. C. Dyer and E. G. Shaver, Astrophys. J. 390, L5 (1992); V. Faraoni, Astron. Astrophys. 272, 385 (1993).
24. J. C. Brown and I. S. McLean, Astron. Astrophys. 57, 141 (1977); S. R. Trammell, D. Hines, J. C. Wheeler, Astrophys. J. 414, L21 (1993).
25. J. C. Brown and I. S. McLean, Astron. Astrophys. 57, 141 (1977); S. R. Trammell, D. Hines, J. C. Wheeler, Astrophys. J. 414, L21 (1993).
26. N. N. Chugai, Sov. Astron. Lett. 18, 168 (1992).
27. P. Mèsz-ros and M. J. Rees, Astrophys. J. 476, 232 (1997); R. Sari, T. Piran, R. Narayan, ibid. 497, L17 (1998).
28. P. Mèsz-ros and M. J. Rees, Astrophys. J. 476, 232 (1997); R. Sari, T. Piran, R. Narayan, ibid. 497, L17 (1998).
29. A. Gruzinov and E. Waxman, ibid. 511, 852 (1999).
30. P. A. Hughes, H. D. Aller, M. F. Aller, ibid. 341, 54 (1989); ibid., p. 68; J. H. Fan, K. S. Cheng, L. Zhang, C. H. Liu, Astron. Astrophys. 327, 947 (1997).
31. P. A. Hughes, H. D. Aller, M. F. Aller, ibid. 341, 54 (1989); ibid., p. 68; J. H. Fan, K. S. Cheng, L. Zhang, C. H. Liu, Astron. Astrophys. 327, 947 (1997).
32. P. A. Hughes, H. D. Aller, M. F. Aller, ibid. 341, 54 (1989); ibid., p. 68; J. H. Fan, K. S. Cheng, L. Zhang, C. H. Liu, Astron. Astrophys. 327, 947 (1997).
33. I. F. Mirabel and L. F. Rodriguez, Ann. Rev. of Astron. Astrophys., in press, preprint available at http://xxx. lanl.gov/abs/astro-ph/9902062.
34. A. Dar, Astrophys. J. 500, L93 (1998); D. Fargion, preprint available at http://xxx.lanl.gov/abs/astro-ph/ 9808005.
35. A. Dar, Astrophys. J. 500, L93 (1998); D. Fargion, preprint available at http://xxx.lanl.gov/abs/astro-ph/ 9808005.
36. A. Celotti and G. Matt, Mon. Not. R. Astron. Soc. 268, 451 (1994).
37. R. Sari and T. Piran, preprint available at http:// xxx.lanl.gov/abs/astro-ph/9902009 and http://xxx. lanl.gov/abs/astro-ph/9901338.
38. J. E. Rhoads, in preprint; P. Mészáros and M. J. Rees, preprint available at http://xxx.lanl.gov/abs/astro-ph/ 9902196.
39. J. E. Rhoads, in preprint; P. Mészáros and M. J. Rees, preprint available at http://xxx.lanl.gov/abs/astro-ph/ 9902196.
40. I. A. Yadigaroglu and J. P. Halpern, GCN Circular 248 (1999).
41. P. Mészáros, M. J. Rees, R. A. M. J. Wijers, preprint available at http://xxx.lanl.gov/abs/astro-ph/9808106.
42. Nilakshi, R. K. S. Yadav, V. Mohan, A. K. Pandey, R. Sagar, Bull. Astron. Soc. India, in press.
43. D. J. Schlegel, D. P. Finkbeiner, M. Davis, Astrophys. J. 500, 525 (1998).
44. P. B. Stetson, Publ. Astron. Soc. Pacific 99, 191 (1987); ibid., p. 250 (1994).
45. P. B. Stetson, Publ. Astron. Soc. Pacific 99, 191 (1987); ibid., p. 250 (1994).
46. We thank the NOT director and staff for their continued support to our GRB program. We are especially grateful to G. Cox for his swift action in mounting the calcite blocks at short notice. We have benefited from discussions with J. L Gûmez and J. Knude. Insightful comments by R. A. M. J. Wijers and an anonymous referee improved the presentation of the results. This research was supported by the Danish Natural Science Research Council (SNF), the Icelandic Council of Science, and the University of Iceland Research Fund. The Nordic Optical Telescope is operated on the island of La Palma jointly by Denmark, Finland, Iceland, Norway, and Sweden in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofísica de Canarias. The data presented here have been taken using ALFOSC, which is owned by the Instituto de Astrofísica, Andalucia (IAA) and operated at the Nordic Optical Telescope under agreement between IAA and the Astronomical Observatory of the University of Copenhagen.